﻿@model DashboardModel
@{
    Model.Prep();
}
@functions
{
    string ServerRole(RedisInstance i)
    {
        switch (i.Role)
        {
            case RedisInfo.RedisInstanceRole.Master:
                <strong>Master</strong>
                break;
            case RedisInfo.RedisInstanceRole.Replica:
                if (i.IsReplicating)
                {
                    <b class="text-success">Replicating</b>
                }
                else
                {
                    <span>Replica</span>
                }
                break;
            default:
                <span class="text-muted">Unknown</span>
                break;
        }
        return null;
    }

    string CommonVersionHeader() => Model.AllVersionsMatch ? "(Version " + (Model.CommonVersion?.ToString() ?? "Unknown") + ")" : null;
    void SectionHeader(List<RedisInstance> instances, string label, bool defaultHeaders = true, bool countChain = false)
    {
        var total = countChain ? instances.Union(instances.SelectMany(h => h.GetAllReplicasInChain())).ToList() : instances;
        <tbody>
            <tr class="category-row page-header">
                <th colspan="@(Model.AllVersionsMatch ? 8 : 9)">
                    <h5>
                        @total.GetWorstStatus().IconSpan()  @total.Count.Pluralize(label)
                        <span class="small">@CommonVersionHeader()</span>
                        <span class="pull-right">@ServerControls() @Poll.Now(instances)</span>
                    </h5>
                </th>
            </tr>
        </tbody>
        if (defaultHeaders)
        {
        <tbody>
            <tr>
                <th>Name</th>
                <th>Host <span class="text-muted small">(port - behind)</span></th>
                <th>Role</th>
                <th>Replicas</th>
                <th title="Operations">Ops <span class="text-muted small">(/sec)</span></th>
                <th>Memory <span class="text-muted small">(used)</span></th>
                <th>Clients</th>
                @if (!Model.AllVersionsMatch)
                {
                    <th>Version</th>
                }
                <th>As of</th>
            </tr>
        </tbody>
        }
    }

    string ServerRow(RedisInstance server, int nest = 0, long? toSync = null, string prevMaster = null)
    {
        var info = server.Info.SafeData();
        var isMissing = Model.Missing.Contains(server);
        <tr class="@(nest == 0 && server.Name != prevMaster && !isMissing ? "first-of-group " : "")@server.RowClass()">
            <td>
                @if (Current.User.Is(RedisRoles.Admin))
                {
                    <a href="#/redis/actions/@server.HostAndPort" class="hover-spin">@Icon.Cog</a>
                }
                @server.ConnectionInfo.Name
            </td>
            <td style="padding-left: @((20*nest).ToString())px">
                @server.IconSpan()
                <a href="@Url.Content("~/redis/instance")?node=@server.HostAndPort" class="@server.TextClass()">@server.Host</a>
                <span class="text-muted small">
                    (@server.Port.ToString()@if (toSync > 0)
                    {<span title="@toSync.Value.Pluralize("byte") behind master"> - @(toSync.Value.ToSize())</span>})
                </span>
                @if (server.IsReplicating)
                {
                    var sc = server.Master?.ReplicaConnections?.FirstOrDefault(sci => server.ConnectionInfo.IPAddresses.Any(ip => Equals(ip, sci.IPAddress)));
                    <span class="text-muted small">
                        (@if (sc != null)
                        {<text>@sc.Status - </text>}@(server.Replication?.MasterLinkStatus ?? "Unknown Link"))
                    </span>
                }
            </td>
            @if (isMissing)
            {
                <td class="text-muted">Missing</td>
                <td colspan="4" title="@server.Info.ErrorMessage" class="text-muted">@server.Info.ErrorMessage.TruncateWithEllipsis(100)</td>
            }
            else if (info != null)
            {
                <td>@ServerRole(server)</td>
                var stats = info.Stats;
                <td>
                    @server.ReplicaCount.ToComma() @if (server.TotalReplicaCount > server.ReplicaCount)
                    {<span class="text-muted small">(@((server.TotalReplicaCount - server.ReplicaCount).ToComma()))</span>}
                </td>
                <td>@stats.TotalCommandsProcessed.ToComma() <span class="text-muted small">(@stats.InstantaneousOpsPerSec.ToComma())</span></td>
                <td>@info.Memory.UsedMemoryRSS.ToHumanReadableSize() <span class="text-muted small">(@info.Memory.UsedMemory.ToHumanReadableSize())</span></td>
                <td>@info.Clients.Connected.ToComma()</td>
            }
            else
            {
                <td>@ServerRole(server)</td>
                <td colspan="4" class="text-muted">No data available</td>
            }
            @if (!Model.AllVersionsMatch)
            {
                <td>@server.Version</td>
            }
            <td>@server.Info.ToPollSpan()</td>
        </tr>
        if (Model.View != RedisViews.Server)
        {
            foreach (var s in server.ReplicaInstances.Concat(Model.Replicating.Where(s => s.Master == server)).Distinct())
            {
                ServerRow(s, nest + 1, s?.Replication == null ? 0 : s.IsReplicating ? s.Replication.MastSyncLeftBytes : (s.Replication.ReplicaReplicationOffset == 1 ? 0 : server.Replication.MasterReplicationOffset - s.Replication.ReplicaReplicationOffset));
            }
        }
        return null;
    }
    string ServerControls()
    {
        var groups = Model.ReplicationGroups;
        if (!Current.User.Is(RedisRoles.Admin) || groups.Count == 0)
        {
            return null;
        }
        <div class="btn-group dropdown">
            <a href="#" class="dropdown-toggle hover-pulsate" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                @Icon.Cog Server Controls <i class="fa fa-caret-down" aria-hidden="true"></i>
            </a>
            <ul class="dropdown-menu pull-right">
                @foreach (var g in groups)
                {
                    <li class="well well-sm well-condensed">
                        <span class="">@g.Name</span>
                    </li>
                    foreach (var host in g.Hosts)
                    {
                        //#/redis/server-actions/@host.HostName.UrlEncode()
                        <li>
                            <a href="#/redis/actions/@host.HostName.UrlEncode()" class="hover-spin">
                                <span class="text-primary">@Icon.Cog</span> @host.Instances.GetWorstStatus().IconSpan() @host.HostName
                            </a>
                        </li>
                    }
                }
            </ul>
        </div>
        return null;
    }
}
    <div class="js-refresh" data-name="redis-overview">
        @if (Model.Instances.Any())
        {
            <table class="table table-striped table-hover text-nowrap table-super-condensed table-responsive">
                @if (Model.Missing.Any())
                {
                    SectionHeader(Model.Missing, "Missing Instance", defaultHeaders: false);
                    <tbody>
                        <tr>
                            <th>Name</th>
                            <th>Host <span class="text-muted small">(port - behind)</span></th>
                            <th>Role</th>
                            <th colspan="4">Error</th>
                            @if (!Model.AllVersionsMatch)
                            {
                                <th>Version</th>
                            }
                            <th>As of</th>
                        </tr>
                    </tbody>
                    <tbody>
                        @foreach (var m in Model.Missing.OrderBy(m => m.Port).ThenBy(m => m.Name))
                        {
                            ServerRow(m);
                        }
                    </tbody>
                }
                @if (Model.Heads.Any())
                {
                    SectionHeader(Model.Heads, "Chained Instance", countChain: true);
                    <tbody>
                        @{ var prevMaster = ""; }
                        @foreach (var m in Model.Heads)
                        {
                            ServerRow(m, prevMaster: prevMaster);
                            prevMaster = m.Name;
                        }
                    </tbody>
                }
                @if (Model.StandAloneMasters.Any())
                {
                    SectionHeader(Model.StandAloneMasters, "Standalone Instance");
                    <tbody>
                        @foreach (var m in Model.StandAloneMasters.OrderBy(m => m.Port).ThenBy(m => m.Name))
                        {
                            ServerRow(m);
                        }
                    </tbody>
                }
                <tfoot>
                    @{ var all = Model.Instances; }
                    <tr class="total-row">
                        <td><strong>Total</strong> <span class="text-muted">(@all.Count.Pluralize("instance"))</span></td>
                        <td></td>
                        <td></td>
                        <td></td>
                        <td>@all.Sum(i => i.Info?.Data?.Stats?.TotalCommandsProcessed ?? 0).ToComma() <span class="text-muted small">(@all.Sum(i => i.Info?.Data?.Stats?.InstantaneousOpsPerSec ?? 0).ToComma())</span></td>
                        <td>@all.Sum(i => i.Info?.Data?.Memory?.UsedMemoryRSS ?? 0).ToHumanReadableSize() <span class="text-muted small">(@all.Sum(i => i.Info?.Data?.Memory?.UsedMemory ?? 0).ToHumanReadableSize())</span></td>
                        <td>@all.Sum(i => i.Info?.Data?.Clients.Connected ?? 0).ToComma()</td>
                        @if (!Model.AllVersionsMatch)
                        {
                            <td></td>
                        }
                        <td></td>
                    </tr>
                </tfoot>
            </table>
        }
    </div>
